针对贾沟隧洞地质差、水量大、施工困难、技术复杂的特点 ,系统地介绍了该工程的施工过程及在处理塌方段、锚喷段、过渡段和其它几个不同地质段的施工中所采取的技术方案 ,同时对在该工程中的施工组织体系、劳动力安排、关键问题的处理 ,所采取的防排水措施和必要的安全技术措施及社会经济效益 ,亦作了较为详细的阐述 In view of the poor geological features, large amount of water, difficult construction and complex technology in Jiagou Tunnel, the construction process of this project is introduced systematically. In the process of construction of collapsible section, anchor spray section, transition section and several other geological sections Adopted the technical plan, and also explained in detail the construction organization system, labor arrangement and key issues in the project, the drainage and drainage measures, the necessary safety technical measures and the social and economic benefits